CREATE TABLE [dbo].[tb_Periodos]
(
[idPeriodo] [int] NOT NULL IDENTITY(1, 1),
[Descripcion] [varchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[tb_Periodos] ADD CONSTRAINT [PK_tb_Periodos] PRIMARY KEY NONCLUSTERED  ([idPeriodo]) ON [PRIMARY]
GO
